Consider the following equation: Ag + (aq) + CI - (aq) → Ag + CI
CHEMISTRY
WAEC 2001
Consider the following equation: Ag+ (aq) + CI-(aq) → Ag+CI- (s) ; ΔH = -65.7 kJmol-1. From the equation, it can be deduced that
- A. direct combination is involved and the reaction is endothermic
- B. a solid is formed and heat is evolved
- C. activation energy is high and a catalyst is required
- D. the reaction is endothermic and occurs at high temperature
Correct Answer: B. a solid is formed and heat is evolved
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